Advantages and Disadvantages of C++ language. Get to know how the CPU and Memory work. (c) High level languages are machine independent. Programming languages are therefore spread over a spectrum, with low level languages closer to machine code and high level languages furthest away from it. When we talk about high level languages, these are programming languages. Easy to learn and use (reliability). C++ is based on the C language, and it was developed in early 1980's by Bjarne Stroustrup at AT&T Bell Laboratories, Here "++" use for the extension because "++" is a syntactic construct used in C to increment a variable.Most of the C++ content is the super-set of "C", Due to this extension most C programs can be compiled using a C++ compiler. The programmer has unlimited access to the working of a computer system. (c) Does not increase programmer productivity. Cost. What do you mean by high level, middle level and low level languages and give an example for each. An OS written in a high-level language (as opposed to a low-level language, such as assembly language) will require far less code, be easier to create and maintain, and will find a larger pool of qualified programmers to work on the project. Weighing the costs and benefits can help you decide whether learning a foreign language is the right choice for you. Conversely, one instruction in a high level language will translate to one or more instructions at machine level. 1.Programs developed using low level languages are machine dependent and are … Not all high level languages support low level I/O. (b) Does not have better interface. Advantages Disadvantages High-level languages are user-friendly A high-level language has to be translated into the machine language by a translator, which takes up time They are easier to learn They are easier to maintain They are problem-oriented rather than 'machine'-based A program written in a high-level language can be translated into many machine languages and can run on any … However, learning a foreign language has some disadvantages, too, such as the cost of language courses and the time it requires. A used translator is a compiler or interpreter. A high-level language is a programming language designed to simplify computer programming. Highlight the disadvantages of low level languages. High level languages are enhancing easy communication with the system. What are some advantages and disadvantages of using a high level programming language (e.g. C/C++ are high level languages and Linux's kernel for example is written in C++ (witch also supports machine code to be inserted). (f) They are not user friendly. Advantages and disadvantages of low level language: Advantages: Fast to run as no need of specific translator. A third-generation programming language (3GL) is a high-level computer programming language that tends to be more machine-independent and programmer-friendly than the machine code of the first-generation and assembly languages of the second-generation, while having a less specific focus to the fourth and fifth generations. In case when you need to make basic calls, still system calls are possible. Why C is a Middle level programming language . High level languages are similar to the human language. 4.Low level languages provide direct manipulation of computer registers and storage. 5.It can directly communicate with hardware devices. 2. 2] High Level Language. (Although some programs could still have a few machine-dependent details, they can be used with little or no modifications on other types of machines.) Disadvantages of High level language. Learning a foreign language can be expensive, especially if you take college courses or pay for private tutoring. Ans. The important feature about such high level languages is that they allow the programmer to write programs for all types of computers and systems. It takes additional translation times to translate the source to machine code. For example: LDA #4 converts to 0001001000100100. Disadvantages of assembly language “One line of C equals 4 or 5 lines of Assembly”, that’s a bad thing to read or hear, right? Development time: Writing code in assembly language takes much longer time than in a high level language. Thus can be better for writing device drivers. The advantages and disadvantages of both high-level and low-level languages are given below. High-level instructions: Program development is faster Fewer lines of code Program maintenance is easier These languages do not interact directly with hardware. Assembly language consists of mnemonics for machine opcodes so assemblers perform a 1:1 translation from mnemonics to a direct instruction. (d) High level languages are user friendly than low level languages. High Level Languages have a syntax similar to the English Language so uses a compiler or an interpreter to convert the human readable program to computer readable machine code. In Microprocessors only op-codes are being used. Low level languages are related to hardware. Advantages of assembly language. Reliability and security: It is easy to make errors in assembly code.The assembler is not checking if the calling conventions and register save conventions are obeyed. High Level Languages are also not memory efficient. Some prominent examples are PASCAL, FORTRAN, C++ etc. Theoretically it makes it easier to talk with hardware devices and I/O ports. High level language is abbreviated as HLL. When we think about computer programmers, we are probably thinking about people who write in high-level programming languages. High level language provides higher level of abstraction from machine language. They are easier to learn They are … They are simple and machines can understand. (d) Hard/ difficult and slower to code and debug program instruction codes. There are two categories of programming languages, high level and low level. It is useful for programming OS, drivers, hardware control and high performance applications. An assembler translates assembly language into machine code.i. Disadvantages. Unlike low level languages, high level languages are programmers friendly, easy to code, debug and maintain. High-level languages need to be converted to low-level and hence, have slower execution and also a larger file size than the low-level counterparts for the same code. High level programs are comparatively slower than low level programs. (e) Program instruction codes are long. (b) High level languages are allowed the use of program control structures which help programmers develop programs using modular approach. High-level language (1958’s to 1985’s) It is a third-generation programming language or procedural language. They are similar to English and use English vocabulary and well-known symbols The object code generated by a translator might be inefficient compared to an equivalent assembly language program. It is because that they are similar to the languages used by us in our day to day life. In high-level language programs run independently of processor type. High level languages – advantages and disadvantages. What are the disadvantages of C programming language. Performance and accuracy of assembly language code are better than a high-level. High-level languages are user-friendly A high-level language has to be translated into the machine language by a translator, which takes up time. If we leave the kernel alone (witch is the most importent part in the OS), some other modules of the OS can be written in , let's say Basic or even Haskell. Disadvantages of High Level Languages: You need some sort of compiler to get the HLL to LLL; In some cases (e.g. Assembler []. Java / C#) you have an interpreter in between which also consumes resources (but can also optimize itself while running the program!) And, also a structural oriented language and functional language. It is "high-level" since it is several steps removed from the actual code run on a computer's processor.High-level source code contains easy-to-read syntax that is later converted into a low-level language, which can be recognized and run by a specific CPU. Every instruction which the programmer writes in a high-level language is translated into many machine language instructions. Disadvantages of low level languages. Disadvantages. High-level languages have to give extra instructions to run code on the computer. Advantages of High Level Languages Higher level languages have a major advantage over machine and assembly languages that higher level languages are easy to learn and use. Disadvantages: It is almost impossible to find and correct errors. C Programming language tutorial, Sample C programs, C++ Programs, Java Program, Interview Questions, C graphics programming, Data Structures, Binary Tree, Linked List, Stack, Queue, Header … Posted by Sakash Agrawal at Thursday, February 16, 2012. So, there is a trade-off between high-level and low-level programming languages. High-level language programs are portable. In my perspective High Level Language has not got any Disadvantages. Therefore, High Level Languages takes time to execute. Manipulating specific hardware the way you want (more access or control), I guess other high-level languages don’t have this feature. The disadvantages of assembly languages when compared to the high level languages are as follows; 1. High Level Languages. As time passed, more levels of this translation process were added, resulting in high level languages, the syntax of which looks more like a natural language such as English. As others have mentioned, lower level language allows you to have more direct control to the hardware. Code of assembly language is difficult to understand and debug than a high-level. This is one-to-many translation and not one-to-one as in the case of assembly language. High-level languages require translator software that will be held in RAM when a program is executed. Since you are writing at machine level you control the level of performance of the code created - in a high level language you have to count on the compiler to optimize. Answers (a) Does not allow the use of program control structures which encourage modules. Some advantages and disadvantages of this language as follows: Advantages: It is machine independent (portability). (a) High level languages are providers of a better user interface to interact with. The disadvantages of a low level language are typically cited as being relatively difficult to read, harder to debug, and requires more development time than a high level language. Compared to low level programs, they are generally less memory efficient. Low-level languages will produce an OS that is smaller, leaner, and runs faster, but be much more difficult to create and maintain. High level languages are written in a form that is close to our human language, enabling to programmer to just focus on the problem being solved. Email This BlogThis! The main advantage of high-level languages over low-level languages is that they are easier to read, write, and maintain. High-level languages are basically symbolic languages that use English words and/or mathematical symbols rather than mnemonic codes. C ) high level languages are as follows ; 1 one instruction in a high level programming designed... 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